Solidago canadensis L.
Family: Asteraceae
Canadian goldenrod, common goldenrod
Solidago canadensis image
Kenneth J. Sytsma  
Etymology: Solidago: from Latin solido, meaning "to make whole or heal" and a reference to the supposed, medicinal qualities of these plants
Plants: erect, perennial, 1'-7' tall forb forming large, dense patches; leafy stems with fine hairs especially toward the top but otherwise smooth
Leaves: narrow, pointed at both ends, stalkless, 3-veined, mostly all the same size, sharply toothed
Flowers: heads with 10-17 tiny, yellow rays; pointed, thin, yellowish bracts (phyllaries); inflorescence a 10" open, spreading cluster with the heads mostly along one side of the often backward-curving, long branches; blooms July-Oct.
Fruits: dry seed with short hairs on fluffy pappus
Habitat: full to partial sun; moist to dry; roadsides, fields, woods, prairies
Conservation Status: Native